package com.atguigu.gmall.mq.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class DeadLetterMqConfig {
    // 声明一些变量

    public static final String exchange_dead = "exchange.dead";
    public static final String routing_dead_1 = "routing.dead.1";
    public static final String routing_dead_2 = "routing.dead.2";
    public static final String queue_dead_1 = "queue.dead.1";
    public static final String queue_dead_2 = "queue.dead.2";

    @Bean
    public DirectExchange deadExchange(){
        return new DirectExchange(exchange_dead,true,false);
    }


    @Bean
    public Queue queue1(){
        //设置参数
        Map<String, Object> arguments=new HashMap<>();
        //死信交换机
        arguments.put("x-dead-letter-exchange",exchange_dead);
        //死信路由
        arguments.put("x-dead-letter-routing-key",routing_dead_2);
        // 设置延迟时间
        arguments.put("x-message-ttl", 10 * 1000);


        return new Queue(queue_dead_1,true,false,false,arguments);
    }

    @Bean
    public Queue queue2(){

        return new Queue(queue_dead_2,true, false, false);
    }

    //binding
    @Bean
    public Binding binding1(){
        return BindingBuilder.bind(queue1()).to(deadExchange()).with(routing_dead_1);
    }

    @Bean
    public Binding binding2(){
        return BindingBuilder.bind(queue2()).to(deadExchange()).with(routing_dead_2);
    }

}
